<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <div id="app">{{msg}}</div>

    <script type="module">
      import {
        createApp,
        ref,
      } from "https://unpkg.com/vue@3/dist/vue.esm-browser.js";

      createApp({
        setup() {
          const msg = ref("hello vue ///");
          return {
            msg,
          };
        },
      }).mount("#app");
    </script>
  </body>
</html>
